Collins Radio 75S-3 Mechanical Filter Replacement & Showing KWM-2A and 51S-1 Receiver
I got in a new (about 60 years old) NOS P/N 526 9337 00 mechanical filter that I had to replace in my 75S-3 receiver and wanted to show off my new find at an estate sale of a beautiful KWM-2A and 51S-1 receiver.

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#2211 Collins Mechanical Filter

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Collins 51S-1 Receiver

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